@Article{acp-12-4539-2012,
AUTHOR = {Zhang, L. and Jacob, D. J. and Knipping, E. M. and Kumar, N. and Munger, J. W. and Carouge, C. C. and van Donkelaar, A. and Wang, Y. X. and Chen, D.},
TITLE = {Nitrogen deposition to the United States: distribution, sources, and processes},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {12},
YEAR = {2012},
NUMBER = {10},
PAGES = {4539--4554},
URL = {http://www.atmos-chem-phys.net/12/4539/2012/},
DOI = {10.5194/acp-12-4539-2012}
}